Remove shouldUseInputMethod

Source/core/html/forms/PasswordInputType.cpp

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2011 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 58 matching lines @@
     ASSERT_NOT_REACHED();
     return FormControlState();
 }
 
 void PasswordInputType::restoreFormControlState(const FormControlState&)
 {
     // Should never save/restore password fields.
     ASSERT_NOT_REACHED();
 }
 
-bool PasswordInputType::shouldUseInputMethod() const
-{
-    // Input methods are disabled for the password field because otherwise
-    // anyone can access the underlying password and display it in clear text.
-    return false;
-}
-
 bool PasswordInputType::shouldRespectListAttribute()
 {
     return false;
 }
 
 bool PasswordInputType::shouldRespectSpeechAttribute()
 {
     return true;
 }
 
 bool PasswordInputType::isPasswordField() const
 {
     return true;
 }
 
 void PasswordInputType::enableSecureTextInput()
 {
     if (element().document().frame())
         element().document().setUseSecureKeyboardEntryWhenActive(true);
 }
 
 void PasswordInputType::disableSecureTextInput()
 {
     if (element().document().frame())
         element().document().setUseSecureKeyboardEntryWhenActive(false);
 }
 
 } // namespace blink